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60HP Carb 4-Stroke Hard Starting

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  • 60HP Carb 4-Stroke Hard Starting

    We have an '04 F60TLRC that is real hard to start. So far we have checked the following:
    Fuel is new and clean (no water)
    Compression 120# on all 4
    Spark seems week and erratic SOMETIMES and sometimes it's good.
    #1 spark plug is clean and gray/brown
    #2-3-4 spark plugs are sooty
    Swapped coils from top to bottom to no avail.
    Rebuilt Carbs TWICE, disassembled and cleaned in ultrasonic cleaner both times. Replaced major gaskets and "8" o-rings on engine side of the intake.

    When it does start it runs alot smoother now, but still hard starting.

    Any help is surely appreciated.
    JOhn ><>
    Last edited by Stuff4Toys; 11-30-2010, 02:54 PM.
    [URL="http://www.Stuff4Toys.com/"]Stuff4Toys.com[/URL]

  • #2
    Probably need to have the carbs synchronized with carb sync meter.
    Regards
    Boats.net
    Yamaha Outboard Parts

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